CN102098706A - Channel managing method and access point - Google Patents
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Abstract
The invention provides a channel managing method and an access point. The method comprises the following steps of: acquiring a candidate main node from the network according to a first identification position and a weight threshold value of the node in the network; calculating a node weight of each candidate main node according to the received channel switch application times and the channel switch valid times respectively; selecting the node with the maximal node weight from the candidate main node as the main node, and allowing the main node to manage the channel switch in the network. The access point comprises: an acquiring module, a calculating module, a selecting module and a managing module. The embodiment avoids frequent switch of the channel of the node in Mesh network, and optimizes the performance of the Mesh network.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of method of channel management and access point.
Background technology
The Mesh network also claims " multi-hop (multi-hop) " network, and it is a kind of and the diverse novel radio network technology of conventional wireless network.The Mesh network is the network architecture that can constantly expand dynamically, and two equipment all can keep wireless interconnected arbitrarily.The Mesh network is more stable than traditional wireless network, and this is that the performance of network performance is not only to rely on certain node because in data communication.In traditional wireless network, if fixing access point (Access Point; Hereinafter to be referred as: AP) break down, all wireless devices all can not communicate in this network so.And in the Mesh network, if the AP of certain node breaks down, it can select an AP to communicate again again, and data still can arrive the destination at high speed.Say that from physical angle radio communication means that communication distance is short more, the effect of communication can be good more, because along with the growth of communication distance, wireless signal not only can be weak but also can the phase mutual interference, thereby reduce the efficient of data communication.And in the Mesh network, be, thereby guarantee that data can be with two-forty transmission fast between node with wireless network connection replacement connection of long distance in the past of weak point.The Mesh network is based on cooperating with each other and working in coordination with between the numerous WAP (wireless access point) that are net distribution, advantage with broadband high-speed and spectral efficient, have dynamic self-organization, self-configuring, outstanding feature such as maintenance certainly, therefore, exploitation of Wireless Mesh Study on Technology and practical application become one of heat subject of current wireless mobile communication.
In the Mesh network channel management in the prior art, mainly by carrying out the scheme that channel switches after holding consultation with neighbours' node, how switching channels does not have clear and definite regulation to node in the Mesh network in the 802.11s draft at present.Therefore, prior art can't guarantee that the Mesh network that all nodes have switched behind the channel is efficiently, need carry out channel continually and switch.
Summary of the invention
The invention provides a kind of method of channel management and access point, avoid node frequent switching channels in the Mesh network, optimize the performance of Mesh network, realize utilizing more efficiently of Internet resources.
The invention provides a kind of method of channel management, comprising:
The first sign position and weights threshold value according to node in the network are obtained candidate's major node from network;
Calculate the node weights of each described candidate's major node respectively according to the effective degree of channel handover request number of times that receives and channel switching;
The node of selecting node weights maximum from described candidate's major node is as major node, and switching manages to the channel in the network by described major node.
The invention provides a kind of access point, comprising:
Acquisition module is used for obtaining candidate's major node according to the first sign position and the weights threshold value of network node from network;
Computing module is used for calculating respectively according to the effective degree that the channel handover request number of times that receives and channel switch the node weights of each described candidate's major node;
Select module, be used for selecting the node of node weights maximum as major node from described candidate's major node;
Administration module is used for being managed by the channel switching of described major node to network.
Method of channel management of the present invention and access point, the first sign position and weights threshold value according to node in the network are obtained candidate's major node from network, the effective degree switched of channel handover request number of times that receives according to each candidate's major node and channel is calculated the weights of each candidate's major node respectively again, candidate's major node of node weights maximum as major node, is switched the channel in the network by this major node and to manage; Present embodiment manages channel by the major node unification of election, avoided arbitrarily carrying out between neighbours' node in the prior art problem of node frequent switching channels in the Mesh network that the channel handover negotiation optimization causes, optimize the performance of Mesh network, realized utilizing more efficiently of Internet resources.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of method of channel management embodiment one of the present invention;
Fig. 2 is the flow chart of method of channel management embodiment two of the present invention;
Fig. 3 is the schematic diagram of Mesh network normal operating conditions among the method for channel management embodiment two of the present invention;
Fig. 4 has the schematic diagram of node off-state for Mesh network among the method for channel management embodiment two of the present invention;
Fig. 5 is the structural representation of access point embodiment one of the present invention;
Fig. 6 is the structural representation of access point embodiment two of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the flow chart of method of channel management embodiment one of the present invention, and as shown in Figure 1, present embodiment provides a kind of method of channel management, can specifically comprise the steps:
In the method for channel management that present embodiment provides, the main major node that is negotiated by each node in the network comes channel is managed, in the negotiations process of major node, from network, obtain candidate's major node according to the first sign position of node in the network and the weights threshold value of node earlier.The first sign position of node is the sign of beacon (beacon) the frame corresponding domain of node, current status when being used to identify node once as major node, the default sign of first in present embodiment position is 0, the non-first default sign position is 1, the second default sign position is 0, and the non-second default sign position is 1.When the first sign position of node is 0, show that the performance of this node when doing major node is good, and once applied to become major node that performance herein well can be presented as the weights threshold value of the node weights of this node when doing major node greater than a setting.The weights threshold value of this setting is the weights threshold value of this node, and it can be artificial appointment, also can adjust according to the network condition self adaptation.For example, the node weights of supposing major node in the current Mesh network are 7, can think that then the node weights of other nodes surpass 5 o'clock qualified major nodes that apply to become of, and this moment, the weights threshold value of this node then can be made as 5.When the first sign position of node was 1, it was bad to show that then this node shows as major node the time, and it can be by node weights during as major node and the weights threshold value in the current network compare and decide with this node.This step is to select candidate's major node in the node in network, mainly select according to the first sign position and the weights threshold value of node, candidate's major node herein is the qualified node that becomes next major node, promptly first of this node sign position and weights threshold value meet the alternative condition of setting, and concrete alternative condition can be adjusted according to actual conditions.For example, the weights threshold value is set to 5, and selecting the first sign position is 0, the node weights greater than 5 node as candidate's major node.
Particularly, this step can be specially: when the first sign position of node is 0, the weights threshold value of this node is broadcasted in network, made each node in the network all can get access to the weights threshold value that the sign position is each node of 0.Because the node in the network gets access to a plurality of weights threshold values, then therefrom selects the weights threshold value of a minimum, with the threshold value of the minimum value in the weights threshold value of each node as final selection candidate major node.At this moment, if with certain node in the network as the node weights of major node greater than the node of this weights threshold value as candidate's major node.In addition, in the present embodiment, if certain node as the node weights of major node minimum value less than weights threshold value in the current network, the first sign position that then can this node is set to 1.
Each candidate's major node all received the channel handover request that other nodes send once as major node the time, and channel is switched according to this channel handover request, but be not that each channel switches and is effective channel and switches, then can add up the effective degree T2 that the channel handover request number of times T1 that receives altogether when obtaining each candidate's major node as major node and channel switch.If certain candidate's major node does not receive the channel handover request of a node continuously in a Preset Time section as major node the time, show that then it is effectively that last channel switches, otherwise be that invalid channel switches.The channel handover request that does not receive a node continuously herein can show as: the channel handover request that the last time is received keeps, when the channel handover request that in the Preset Time section, does not receive same reciprocity node once more, then last channel switching is considered as effective channel and switches, can all add 1 this moment with T1 and T2; If receive the channel handover request of this node once more in the Preset Time section, then last channel switching is considered as invalid channel switches, and this moment, T2 was constant, and T1 adds 1.Behind the effective degree T2 that the channel handover request number of times T1 that gets access to candidate's major node and channel switch, calculate the node weights of this candidate's major node according to T1 and T2.Specifically can adopt following formula to calculate the node weights of each candidate's major node: the * 10 of node weights=(T2/T1).
Step 103, the node of selecting node weights maximum from described candidate's major node are as major node, and switching manages to the channel in the network by described major node.
After getting access to the node weights of each candidate's major node through above-mentioned steps, from candidate's major node, consult to obtain final major node, the node that specifically can select node weights maximum wherein is as major node, and follow-up channel in the network switching by this major node of consulting to obtain manages.Further, carrying out major node when consulting, when the node of node weights maximum in candidate's major node has only one, then directly with this node as major node; When having the node of a plurality of node weights maximums arranged side by side in candidate's major node, then in these nodes arranged side by side, select its medium access control (Media Access Control again; Hereinafter to be referred as: MAC) node of address minimum is as major node.
Particularly, in the present embodiment, after negotiating major node, switching manages to the channel in the network by this major node.After channel that this major node receives a node in the network switched message, this major node simulated network topology after the channel change earlier according to current network topology; If the network topology after this change that simulates can satisfy the requirement of the node of preset ratio, preset ratio herein can be assumed to be 80%, promptly the network topology after the change can satisfy in the network requirement of 80% node, and then major node switches message according to this channel and carries out channel and switch; If the network topology after this change that simulates can not satisfy the requirement of the node of preset ratio, then major node returns refusal switching message to the node of request channel switching, switches to refuse this secondary channel.
Present embodiment provides a kind of method of channel management, the first sign position and weights threshold value according to node in the network are obtained candidate's major node from network, the effective degree switched of channel handover request number of times that receives according to each candidate's major node and channel is calculated the weights of each candidate's major node respectively again, candidate's major node of node weights maximum as major node, is switched the channel in the network by this major node and to manage; Present embodiment manages channel by the major node unification of election, avoided arbitrarily carrying out between neighbours' node in the prior art problem of node frequent switching channels in the Mesh network that the channel handover negotiation optimization causes, optimize the performance of Mesh network, realized utilizing more efficiently of Internet resources.
Fig. 2 is the flow chart of method of channel management embodiment two of the present invention, and as shown in Figure 2, present embodiment provides a kind of method of channel management, can specifically comprise the steps:
Step 201 is obtained candidate's major node according to the first sign position and the weights threshold value of node in the network from network.
When having new reciprocity node to join in the network in the network, from network, obtain candidate's major node according to sign position of first in the network and weights threshold value, specifically the negotiations process of major node can similar above-mentioned steps 101, repeats no more herein.
Step 202, the effective degree of switching according to the channel handover request number of times that receives and channel is calculated the node weights of each described candidate's major node respectively, and this step can similar above-mentioned steps 102, repeats no more herein.
Step 203, the node of selecting node weights maximum from described candidate's major node be as major node, by major node the channel in the network switched to manage, and this step can similar above-mentioned steps 103, repeats no more herein.
Behind the major node in negotiating network, this major node judges whether have new reciprocity node to add in the network according to the actual environment situation in the network, if current have new reciprocity node to add in the network, then trigger the major node negotiations process again of step 201, otherwise continue execution in step 208, the beacon frame of its reciprocity node is monitored by each node.It is to be noted, the process of the monitoring beacon frame of step 208 is to negotiate to continue the step carried out behind the major node in the present embodiment, step 204,208 and follow-up step 205 between do not have the sequential restriction, can be three processes moving simultaneously, wherein, step 204 and step 205 two kinds of situations in the process of monitoring the beacon frame, occurring.
Step 205 judges whether exist node to disconnect in the network, if then execution in step 206, otherwise execution in step 208.
Fig. 3 and Fig. 4 are respectively the schematic diagram that Mesh network normal operating conditions and Mesh network among the method for channel management embodiment two of the present invention have the node off-state, and as shown in Figure 4, when certain node disconnected in the network, this node sent request response to major node.
Step 206 sends request response to major node.
Step 207 judges whether to receive the response message of major node, if then execution in step 208, otherwise returns execution in step 201.
When existing node to disconnect in the network, this node sends request response to major node; If receive the response message of major node, show that major node is in normal condition, then execution in step 208, continue to monitor the beacon frame of reciprocity node; If major node does not return response message, show that then this major node lost efficacy, there is node to disconnect in the current network really, then return execution in step 201, need consult major node again.
In addition, in the present embodiment, through above-mentioned deterministic process, when existing node to disconnect in the network, the node of this disconnection can be to its reciprocity node broadcasting beacon frame, second of this node sign position is set to 1 in this beacon frame, show that current network is in off-state, promptly do not have major node, and start timer, the timing of this timer promptly starts the negotiations process of major node among the timer waiting step 201-203 for generally to consult the used time of major node.Behind this timer expiry, the second sign position that can this node self is set to 0, the second sign position up to all reciprocity nodes of this node is at 0 o'clock, because the second sign position of a node is to represent in 0 o'clock to have major node in the network at this node place, if the second sign position of all reciprocity nodes is 0, then show node in the current network all to major node should be arranged, promptly consult the major node that makes new advances in the current network again.Whether the network that the second sign position of the node in the present embodiment is used for identifying this node place exists major node, when the second sign position of node is 1, show in the network at this node place and do not have major node, when the second sign position of node is 0, show in the network at this node place to have major node.
Step 208, each node are monitored the beacon frame of its reciprocity node respectively, judge whether the second sign position of reciprocity node is 1, if then execution in step 201, otherwise execution in step 209.
After negotiating major node, all nodes in the network are all monitored the beacon frame of reciprocity node separately, whether the second sign position of judging its reciprocity node is 1, if find that the second sign position of a reciprocity node is 1, then illustrate in the network at this equity node place and do not have major node, need consult major node again, this moment execution in step 201, otherwise execution in step 209.
Step 209 judges whether the first sign position of this equity node is 1, if, then return execution in step 208, otherwise execution in step 210.
When the second sign position of finding a reciprocity node is 0, continue to judge whether according to the first sign position of this node whether this equity node possesses the ability that substitutes current major node.When the first sign position of this equity node was 1, it was bad to show that this node shows when doing major node, and then the current ability that does not possess alternative current major node of this node then continues execution in step 208 and carries out the monitoring of beacon frame.When the first sign position of this equity node is 0, show that this node show good and possesses the ability that becomes major node, carries out subsequent step 210 at this moment and further judges when doing major node.
This moment relatively should the equity node and the node weights size of current major node, whether the node weights of judging this equity node are greater than the node weights of current major node, if, show that then this equity node is better than current major node, execution in step 211, select this equity node as major node, carry out the monitoring of beacon frame otherwise continue execution in step 208.
Step 211 replaces with this equity node with current major node, and returns execution in step 208.
Present embodiment provides a kind of method of channel management, the first sign position and weights threshold value according to node in the network are obtained candidate's major node from network, the effective degree switched of channel handover request number of times that receives according to each candidate's major node and channel is calculated the node weights of each candidate's major node respectively again, candidate's major node of node weights maximum as major node, is switched the channel in the network by this major node and to manage; Present embodiment manages channel by the major node unification of election, avoided arbitrarily carrying out between neighbours' node in the prior art problem of node frequent switching channels in the Mesh network that the channel handover negotiation optimization causes, optimize the performance of Mesh network, realized utilizing more efficiently of Internet resources.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 5 is the structural representation of access point embodiment one of the present invention, and as shown in Figure 5, present embodiment provides a kind of access point, can specifically carry out each step among the said method embodiment one, repeats no more herein.The access point that present embodiment provides can specifically comprise acquisition module 501, computing module 502, select module 503 and administration module 504.Wherein, acquisition module 501 is used for obtaining candidate's major node according to the first sign position and the weights threshold value of network node from network.Computing module 502 is used for calculating respectively according to the effective degree of channel handover request number of times that receives and channel switching the node weights of each described candidate's major node.Select module 503 to be used for selecting the node of node weights maximum as major node from described candidate's major node.Administration module 504 is used for being managed by the channel switching of described major node to network.
Fig. 6 is the structural representation of access point embodiment two of the present invention, and as shown in Figure 6, present embodiment provides a kind of access point, can specifically carry out each step among the said method embodiment two, repeats no more herein.The access point that present embodiment provides is on the basis of above-mentioned Fig. 5, and acquisition module 501 can specifically comprise radio unit 511 and acquiring unit 521.Wherein, to be used for the first sign position be that the weights threshold value of each node of the first default sign position is broadcasted at network to radio unit 511.Acquiring unit 521 is used for obtaining the node of node weights minimum value in the described weights threshold value greater than each as candidate's major node according to each described weights threshold value at network.
Particularly, select module 503 can specifically comprise first selected cell 513 and second selected cell 523.Wherein, first selected cell 513 is used for when the number of the node of described candidate's major node node weights maximum is one, with the node of described node weights maximum as major node.Second selected cell 523 is used for when the number of the node of described candidate's major node node weights maximum when being a plurality of, and the node of selecting medium access control MAC address minimum from the node of described node weights maximum is as major node.
Further, the access point that provides of present embodiment can also comprise first negotiation module 601 and second negotiation module 602.Wherein, first negotiation module 601 is used for that to exist new node to add fashionable when network, consults described major node again.Second negotiation module 602 is used for disconnecting when there is node in network, and when described node does not receive the response message of described major node, the first sign position of described node is set to the non-first default sign position, lost efficacy with the described major node of reciprocity node of notifying described node, and consulted described major node again.
Further, the access point that provides of present embodiment can also comprise and monitors module 603, the 3rd negotiation module 604 and replace module 605.Wherein, monitor the beacon frame that module 603 is used to monitor reciprocity node.The 3rd negotiation module 604 is used for consulting described major node again when the second sign position of described reciprocity node is the non-second default sign position.It is the second default position that identifies that replacement module 605 is used for when second of reciprocity node identifies the position, the first sign position of described reciprocity node is the first default sign position, and the node weights of described reciprocity node replace with described reciprocity node with described major node during greater than the node weights of described major node.
Particularly, the administration module in the present embodiment 504 can specifically comprise analogue unit 514 and administrative unit 524.Wherein, analogue unit 514 is used for after channel that described major node receives a node of network switches message, simulates network topology after the channel change according to current network topology.Administrative unit 524 is used for when if the network topology after the described change satisfies the requiring of node of preset ratio, and described major node switches message according to described channel and carries out channel and switch, and switches message otherwise send refusal to described node.
Present embodiment provides a kind of access point, the first sign position and weights threshold value according to node in the network are obtained candidate's major node from network, the effective degree switched of channel handover request number of times that receives according to each candidate's major node and channel is calculated the weights of each candidate's major node respectively again, candidate's major node of node weights maximum as major node, is switched the channel in the network by this major node and to manage; Present embodiment manages channel by the major node unification of election, avoided arbitrarily carrying out between neighbours' node in the prior art problem of node frequent switching channels in the Mesh network that the channel handover negotiation optimization causes, optimize the performance of Mesh network, realized utilizing more efficiently of Internet resources.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a method of channel management is characterized in that, comprising:
The first sign position and weights threshold value according to node in the network are obtained candidate's major node from network;
Calculate the node weights of each described candidate's major node respectively according to the effective degree of channel handover request number of times that receives and channel switching;
The node of selecting node weights maximum from described candidate's major node is as major node, and switching manages to the channel in the network by described major node.
2. method according to claim 1 is characterized in that, the described first sign position and weights threshold value according to node in the network obtained candidate's major node and comprised from network:
With the first sign position is that the first default weights threshold value that identifies each node of position is broadcasted in network;
According to each described weights threshold value in network, obtain the node weights greater than the node of the minimum value in each described weights threshold value as candidate's major node.
3. method according to claim 1 is characterized in that, the described node of node weights maximum of selecting from described candidate's major node comprises as major node:
When the number of the node of node weights maximum in described candidate's major node is one, with the node of described node weights maximum as major node;
When the number of the node of node weights maximum in described candidate's major node when being a plurality of, the node of selecting medium access control MAC address minimum from the node of described node weights maximum is as major node.
4. according to each described method among the claim 1-3, it is characterized in that, also comprise:
It is fashionable to exist new node to add in network, consults described major node again;
In network, exist node to disconnect, and when described node does not receive the response message of described major node, the first sign position of described node is set to the non-first default sign position, loses efficacy with the described major node of reciprocity node of notifying described node, and consults described major node again.
5. according to each described method among the claim 1-3, it is characterized in that, also comprise:
Monitor the beacon frame of reciprocity node;
When the second sign position of described reciprocity node is the non-second default sign position, consult described major node again;
When the second sign position of described reciprocity node is the second default sign position, the first sign position of described reciprocity node is the first default sign position, and the node weights of described reciprocity node replace with described reciprocity node with described major node during greater than the node weights of described major node.
6. according to each described method among the claim 1-3, it is characterized in that, described by described major node the channel in the network is switched to manage comprise:
After channel that described major node receives a node in the network switched message, described major node simulated network topology after the channel change according to current network topology;
When if the network topology after the described change satisfies the requiring of node of preset ratio, described major node switches message according to described channel and carries out channel and switch, and switches message otherwise send refusal to described node.
7. an access point is characterized in that, comprising:
Acquisition module is used for obtaining candidate's major node according to the first sign position and the weights threshold value of network node from network;
Computing module is used for calculating respectively according to the effective degree that the channel handover request number of times that receives and channel switch the node weights of each described candidate's major node;
Select module, be used for selecting the node of node weights maximum as major node from described candidate's major node;
Administration module is used for being managed by the channel switching of described major node to network.
8. access point according to claim 7 is characterized in that, described acquisition module comprises:
Radio unit, being used for the first sign position is that the first default weights threshold value that identifies each node of position is broadcasted at network;
Acquiring unit is used for obtaining the node of node weights minimum value in the described weights threshold value greater than each as candidate's major node according to each described weights threshold value at network.
9. access point according to claim 7 is characterized in that, described selection module comprises:
First selected cell is used for when the number of the node of described candidate's major node node weights maximum is one, with the node of described node weights maximum as major node;
Second selected cell is used for when the number of the node of described candidate's major node node weights maximum when being a plurality of, and the node of selecting medium access control MAC address minimum from the node of described node weights maximum is as major node.
10. according to each described access point among the claim 7-9, it is characterized in that, also comprise:
First negotiation module is used for that to exist new node to add fashionable when network, consults described major node again;
Second negotiation module, be used for disconnecting when there is node in network, and when described node does not receive the response message of described major node, the first sign position of described node is set to the non-first default sign position, lost efficacy with the described major node of reciprocity node of notifying described node, and consulted described major node again.
11. according to each described access point among the claim 7-9, it is characterized in that, also comprise:
Monitor module, be used to monitor the beacon frame of reciprocity node;
The 3rd negotiation module is used for consulting described major node again when the second sign position of described reciprocity node is the non-second default sign position;
Replace module, being used for when second of described reciprocity node identifies the position is the second default sign position, the first sign position of described reciprocity node is the first default sign position, and the node weights of described reciprocity node replace with described reciprocity node with described major node during greater than the node weights of described major node.
12., it is characterized in that described administration module comprises according to each described access point among the claim 7-9:
Analogue unit is used for after channel that described major node receives a node of network switches message, simulates network topology after the channel change according to current network topology;
Administrative unit is used for when if the network topology after the described change satisfies the requiring of node of preset ratio, and described major node switches message according to described channel and carries out channel and switch, and switches message otherwise send refusal to described node.
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| CN102340543A (en) * | 2011-10-18 | 2012-02-01 | 华为技术有限公司 | Method and equipment for selecting master node of system |
| CN104980975A (en) * | 2015-06-25 | 2015-10-14 | 西安理工大学 | Mobile terminal wifi switching method |
| CN111356266A (en) * | 2020-02-26 | 2020-06-30 | 杭州涂鸦信息技术有限公司 | Lamp and colorful synchronization method and system thereof |
| WO2021136062A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州萤石软件有限公司 | Method for channel switching in wireless mesh network, and wireless device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340543A (en) * | 2011-10-18 | 2012-02-01 | 华为技术有限公司 | Method and equipment for selecting master node of system |
| WO2012163211A1 (en) * | 2011-10-18 | 2012-12-06 | 华为技术有限公司 | Method and device for selecting master node for system |
| CN102340543B (en) * | 2011-10-18 | 2013-12-04 | 华为技术有限公司 | Method and equipment for selecting master node of system |
| CN104980975A (en) * | 2015-06-25 | 2015-10-14 | 西安理工大学 | Mobile terminal wifi switching method |
| CN104980975B (en) * | 2015-06-25 | 2019-03-22 | 西安理工大学 | A kind of wifi switching method of mobile terminal |
| WO2021136062A1 (en) * | 2019-12-31 | 2021-07-08 | 杭州萤石软件有限公司 | Method for channel switching in wireless mesh network, and wireless device |
| CN111356266A (en) * | 2020-02-26 | 2020-06-30 | 杭州涂鸦信息技术有限公司 | Lamp and colorful synchronization method and system thereof |
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| Publication number | Publication date |
|---|---|
| CN102098706B (en) | 2014-01-22 |
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